| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For GHC | |||||
| 2026-10-01 | Conley, Danielle Y. | Director | Purchased | 19 | $1,139.10 |
| 2026-10-01 | Markell, Jack A. | Director | Purchased | 7 | $1,139.10 |
| 2026-10-01 | Mulcahy, Anne M | Director | Purchased | 21 | $1,139.10 |
| 2026-10-01 | Wagoner, G Richard Jr | Director | Purchased | 21 | $1,139.10 |
| 2026-10-01 | Davis, Christopher C | Director | Purchased | 24 | $1,139.10 |
| 2026-08-28 | Maas,, Jacob | Executive VP | Purchased | 1000 | $0.00 |
| 2026-08-28 | Maas,, Jacob | Executive VP | Sold | 501 | $1,159.23 |
| 2026-08-13 | Graham, Donald | Director, 10% Owner | Sold | 12633 | $0.00 |
| 2026-08-13 | O'shaughnessy, Laura | 10% Owner | Purchased | 4211 | $0.00 |
| 2026-08-13 | O'shaughnessy, Laura | 10% Owner | Sold | 4211 | $0.00 |
| 2026-08-13 | O'shaughnessy, Timothy J | Director, President and CEO | Purchased | 4211 | $0.00 |
| 2026-08-13 | O'shaughnessy, Timothy J | Director, President and CEO | Sold | 4211 | $0.00 |
| 2026-07-01 | Markell, Jack A. | Director | Purchased | 7 | $1,161.11 |
| 2026-07-01 | Mulcahy, Anne M | Director | Purchased | 21 | $1,161.11 |
| 2026-07-01 | Wagoner, G Richard Jr | Director | Purchased | 21 | $1,161.11 |
| 2026-07-01 | Conley, Danielle Y. | Director | Purchased | 19 | $1,161.11 |
| 2026-07-01 | Davis, Christopher C | Director | Purchased | 23 | $1,161.11 |
| 2026-05-26 | Weymouth, Katharine | Director | Purchased | 6000 | $0.00 |
| 2026-05-26 | O'shaughnessy, Laura | 10% Owner | Purchased | 6000 | $0.00 |
| 2026-05-26 | O'shaughnessy, Laura | 10% Owner | Sold | 5600 | $0.00 |